[edk2-devel] [PATCHv3 2/4] MdeModulePkg/UfsPassThruDxe: Refactor UfsExecUicCommand function
Albecki, Mateusz
mateusz.albecki at intel.com
Fri Aug 9 14:36:18 UTC 2019
https://bugzilla.tianocore.org/show_bug.cgi?id=1343
UfsExecUicCommand function has been refactored to allow
the caller to check the command results which is important
for commands such as UIC read.
Cc: Hao A Wu <hao.a.wu at intel.com>
Signed-off-by: Mateusz Albecki <mateusz.albecki at intel.com>
---
MdeModulePkg/Bus/Ufs/UfsPassThruDxe/UfsPassThru.h | 3 +-
.../Bus/Ufs/UfsPassThruDxe/UfsPassThruHci.c | 47 ++++++++++++----------
2 files changed, 27 insertions(+), 23 deletions(-)
diff --git a/MdeModulePkg/Bus/Ufs/UfsPassThruDxe/UfsPassThru.h b/MdeModulePkg/Bus/Ufs/UfsPassThruDxe/UfsPassThru.h
index 9b68db5ffe..b79be77709 100644
--- a/MdeModulePkg/Bus/Ufs/UfsPassThruDxe/UfsPassThru.h
+++ b/MdeModulePkg/Bus/Ufs/UfsPassThruDxe/UfsPassThru.h
@@ -1,6 +1,6 @@
/** @file
- Copyright (c) 2014 - 2018, Intel Corporation. All rights reserved.<BR>
+ Copyright (c) 2014 - 2019, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
@@ -13,6 +13,7 @@
#include <Protocol/ScsiPassThruExt.h>
#include <Protocol/UfsDeviceConfig.h>
#include <Protocol/UfsHostController.h>
+#include <Protocol/UfsHostControllerPlatform.h>
#include <Library/DebugLib.h>
#include <Library/UefiDriverEntryPoint.h>
diff --git a/MdeModulePkg/Bus/Ufs/UfsPassThruDxe/UfsPassThruHci.c b/MdeModulePkg/Bus/Ufs/UfsPassThruDxe/UfsPassThruHci.c
index 912d6f8202..6ea27e473c 100644
--- a/MdeModulePkg/Bus/Ufs/UfsPassThruDxe/UfsPassThruHci.c
+++ b/MdeModulePkg/Bus/Ufs/UfsPassThruDxe/UfsPassThruHci.c
@@ -2,7 +2,7 @@
UfsPassThruDxe driver is used to produce EFI_EXT_SCSI_PASS_THRU protocol interface
for upper layer application to execute UFS-supported SCSI cmds.
- Copyright (c) 2014 - 2018, Intel Corporation. All rights reserved.<BR>
+ Copyright (c) 2014 - 2019, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
@@ -1633,11 +1633,8 @@ Exit1:
/**
Send UIC command.
- @param[in] Private The pointer to the UFS_PASS_THRU_PRIVATE_DATA data structure.
- @param[in] UicOpcode The opcode of the UIC command.
- @param[in] Arg1 The value for 1st argument of the UIC command.
- @param[in] Arg2 The value for 2nd argument of the UIC command.
- @param[in] Arg3 The value for 3rd argument of the UIC command.
+ @param[in] Private The pointer to the UFS_PASS_THRU_PRIVATE_DATA data structure.
+ @param[in, out] UicCommand UIC command descriptor. On exit contains UIC command results.
@return EFI_SUCCESS Successfully execute this UIC command and detect attached UFS device.
@return EFI_DEVICE_ERROR Fail to execute this UIC command and detect attached UFS device.
@@ -1646,10 +1643,7 @@ Exit1:
EFI_STATUS
UfsExecUicCommands (
IN UFS_PASS_THRU_PRIVATE_DATA *Private,
- IN UINT8 UicOpcode,
- IN UINT32 Arg1,
- IN UINT32 Arg2,
- IN UINT32 Arg3
+ IN OUT EDKII_UIC_COMMAND *UicCommand
)
{
EFI_STATUS Status;
@@ -1675,17 +1669,17 @@ UfsExecUicCommands (
// only after all the UIC command argument registers (UICCMDARG1, UICCMDARG2 and UICCMDARG3)
// are set.
//
- Status = UfsMmioWrite32 (Private, UFS_HC_UCMD_ARG1_OFFSET, Arg1);
+ Status = UfsMmioWrite32 (Private, UFS_HC_UCMD_ARG1_OFFSET, UicCommand->Arg1);
if (EFI_ERROR (Status)) {
return Status;
}
- Status = UfsMmioWrite32 (Private, UFS_HC_UCMD_ARG2_OFFSET, Arg2);
+ Status = UfsMmioWrite32 (Private, UFS_HC_UCMD_ARG2_OFFSET, UicCommand->Arg2);
if (EFI_ERROR (Status)) {
return Status;
}
- Status = UfsMmioWrite32 (Private, UFS_HC_UCMD_ARG3_OFFSET, Arg3);
+ Status = UfsMmioWrite32 (Private, UFS_HC_UCMD_ARG3_OFFSET, UicCommand->Arg3);
if (EFI_ERROR (Status)) {
return Status;
}
@@ -1698,7 +1692,7 @@ UfsExecUicCommands (
return Status;
}
- Status = UfsMmioWrite32 (Private, UFS_HC_UIC_CMD_OFFSET, (UINT32)UicOpcode);
+ Status = UfsMmioWrite32 (Private, UFS_HC_UIC_CMD_OFFSET, UicCommand->Opcode);
if (EFI_ERROR (Status)) {
return Status;
}
@@ -1712,14 +1706,18 @@ UfsExecUicCommands (
return Status;
}
- if (UicOpcode != UfsUicDmeReset) {
- Status = UfsMmioRead32 (Private, UFS_HC_UCMD_ARG2_OFFSET, &Data);
+ if (UicCommand->Opcode != UfsUicDmeReset) {
+ Status = UfsMmioRead32 (Private, UFS_HC_UCMD_ARG2_OFFSET, &UicCommand->Arg2);
if (EFI_ERROR (Status)) {
return Status;
}
- if ((Data & 0xFF) != 0) {
+ Status = UfsMmioRead32 (Private, UFS_HC_UCMD_ARG3_OFFSET, &UicCommand->Arg3);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+ if ((UicCommand->Arg2 & 0xFF) != 0) {
DEBUG_CODE_BEGIN();
- DumpUicCmdExecResult (UicOpcode, (UINT8)(Data & 0xFF));
+ DumpUicCmdExecResult ((UINT8)UicCommand->Opcode, (UINT8)(UicCommand->Arg2 & 0xFF));
DEBUG_CODE_END();
return EFI_DEVICE_ERROR;
}
@@ -1898,16 +1896,21 @@ UfsDeviceDetection (
IN UFS_PASS_THRU_PRIVATE_DATA *Private
)
{
- UINTN Retry;
- EFI_STATUS Status;
- UINT32 Data;
+ UINTN Retry;
+ EFI_STATUS Status;
+ UINT32 Data;
+ EDKII_UIC_COMMAND LinkStartupCommand;
//
// Start UFS device detection.
// Try up to 3 times for establishing data link with device.
//
for (Retry = 0; Retry < 3; Retry++) {
- Status = UfsExecUicCommands (Private, UfsUicDmeLinkStartup, 0, 0, 0);
+ LinkStartupCommand.Opcode = UfsUicDmeLinkStartup;
+ LinkStartupCommand.Arg1 = 0;
+ LinkStartupCommand.Arg2 = 0;
+ LinkStartupCommand.Arg3 = 0;
+ Status = UfsExecUicCommands (Private, &LinkStartupCommand);
if (EFI_ERROR (Status)) {
return EFI_DEVICE_ERROR;
}
--
2.14.1.windows.1
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